What are the roots of x² + 8x + 16 = 0?
x² + 8x + 16 = 0 के roots क्या होंगे?
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Correct Answer
B. -4 और -4 / -4 and -4
ExplanationStep 1: This is a perfect square quadratic. Step 2: x²+8x+16 = (x+4)² so root -4 is repeated. Step 3: In perfect square quadratic both roots are equal.
Step 1: यह perfect square quadratic है। Step 2: x²+8x+16 = (x+4)² इसलिए root -4 repeated है। Step 3: Perfect square quadratic में दोनों roots equal होते हैं।